Provider of open standards-based components for the computer telephony industry. Products include digital access cards (E1, T1 and Basic Rate ISDN), speech and signal processing platforms, fax processing, speech recognition and text-to-speech.

Online database of used equipment. Specializing in Lucent #5ess switching equipment along with additional Central Office equipment.

Supplier of GSM gateways, GSM and STM-1 multiplexers, E1 channel banks, Echo cancellers and E1 drop-insert multiplexers.

Single source, stocking distributor of telecommunication material. Provides a complete line of construction material for telecommunications infrastructure in a central office.

Providing telecom transmission and network access equipment, T1/E1 multiplexers, T1/E1 channel banks, and digital cross-connect switches.

Providing new and used Central Office products and PBX equipment.

Telecom Transmission solutions, E1 GSM Gateway, T1 GSM Gateway, Multiplexers, Echo Canceller and other transmission equipment.

Resellers of telecommunications equipment.

Provides multi-service digital access equipment to competitive telecommunications carriers, including competitive local exchange carriers, internet service providers and wireless carriers. (Nasdaq: CACS).

Buy and sell new and refurbished central office and transmission equipment.

New and refurbished tandem and central office switching and transmission equipment, installation, test and repair services and custom cable assembly manufacturing.

Provides turn-key telephony solutions based on Artisoft's Televantage software based PBX.

Provides customized rapid response, customer centric, IP-based networking solutions tailored to service providers worldwide.

A global supplier of energy solutions for telecommunications platforms.

Products to extend the capacity and range of existing telephone networks, allowing previously isolated consumers, such as those found in rural and regional areas.

Suppling telephone equipment for Central office's, Hotel, Motels and large switches.

DC Power Supplies and switch mode rectifiers for telecoms. Modular power systems integrate rectifiers, alarm, distribution, low volts disconnect, power management systems and battery backup. UK based.

Offers 'private telephone network' product, similar to IP Telephony, without using public infrastructure.

Supplier of central office switching and transmission products and services.

Providing commercial and industrial electrical contracting, specializing in the design and construction of telecommunications facilities. ISO 9001 certified.